---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6528 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5600.00 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 745 5302 4 2183 7196 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:fc:ea:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81542sec preferred_lft 81542sec inet6 fe80::f816:3eff:fefc:eaee/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6528) 03/21/26 _x86_64_ (2 CPU) 00:41:26 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.35 0.01 1.33 0.02 0.05 16.83 871.65 01:10:04 1.85 0.32 1.50 0.03 40.05 71.71 1.45 01:20:03 13.85 0.01 1.28 12.57 0.16 15.18 109279.97 01:30:04 1.36 0.00 1.34 0.01 0.00 17.35 870.64 01:40:04 1.13 0.00 1.13 0.00 0.00 14.02 0.00 01:50:04 21.83 3.02 16.58 2.24 227.41 3085.28 1005.83 02:00:05 1.75 0.00 1.72 0.02 0.48 53.39 1.17 Average: 6.16 0.48 3.56 2.12 38.33 468.00 15979.71 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6299128 7546040 274480 3.38 30684 1421912 530464 5.78 448036 1183404 168 01:10:04 6260544 7536412 283672 3.49 31072 1450104 530464 5.78 459824 1200608 188 01:20:03 6268108 7544532 275464 3.39 31244 1450472 530736 5.78 460160 1201120 180 01:30:04 6265680 7542632 277264 3.41 31424 1450800 530736 5.78 460088 1201628 212 01:40:04 6265680 7543256 276636 3.40 31584 1451256 530800 5.78 460440 1202116 208 01:50:04 5359788 7463412 308336 3.79 84936 2182856 558676 6.09 551684 1941536 2392 02:00:05 5290628 7401288 370468 4.56 85104 2189796 636572 6.93 603260 1948644 344 Average: 6001365 7511082 295189 3.63 46578 1656742 549778 5.99 491927 1411294 527 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 1.26 0.18 0.26 0.14 0.00 0.00 0.00 0.00 01:10:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.89 0.34 3.65 0.06 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.66 0.30 0.29 0.80 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.35 0.07 0.10 0.05 0.00 0.00 0.00 0.00 01:50:04 lo 1.30 1.30 0.11 0.11 0.00 0.00 0.00 0.00 01:50:04 ens3 101.35 67.82 302.37 16.81 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 16.52 11.28 4.32 2.26 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.34 11.44 44.47 2.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-6528) 03/21/26 _x86_64_ (2 CPU) 00:41:26 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.31 0.00 0.18 0.01 0.03 99.48 01:00:04 0 0.39 0.00 0.17 0.01 0.03 99.40 01:00:04 1 0.22 0.00 0.19 0.01 0.03 99.55 01:10:04 all 0.35 0.00 0.11 0.03 0.03 99.48 01:10:04 0 0.25 0.00 0.12 0.02 0.04 99.58 01:10:04 1 0.46 0.00 0.10 0.04 0.03 99.37 01:20:03 all 0.24 0.00 0.08 0.03 0.04 99.60 01:20:03 0 0.08 0.00 0.10 0.05 0.04 99.73 01:20:03 1 0.41 0.00 0.07 0.01 0.04 99.48 01:30:04 all 0.26 0.00 0.15 0.01 0.04 99.55 01:30:04 0 0.07 0.00 0.17 0.02 0.05 99.69 01:30:04 1 0.45 0.00 0.13 0.00 0.03 99.40 01:40:04 all 0.26 0.00 0.06 0.01 0.04 99.63 01:40:04 0 0.06 0.00 0.08 0.01 0.05 99.80 01:40:04 1 0.46 0.00 0.04 0.01 0.03 99.47 01:50:04 all 10.78 0.00 1.68 0.81 0.05 86.67 01:50:04 0 7.97 0.00 1.40 0.76 0.06 89.81 01:50:04 1 13.59 0.00 1.96 0.86 0.05 83.53 02:00:05 all 4.94 0.00 0.54 0.03 0.07 94.43 02:00:05 0 4.43 0.00 0.51 0.03 0.07 94.97 02:00:05 1 5.45 0.00 0.57 0.02 0.07 93.90 Average: all 2.45 0.00 0.40 0.13 0.04 96.98 Average: 0 1.89 0.00 0.37 0.13 0.04 97.57 Average: 1 3.00 0.00 0.44 0.14 0.04 96.39